GitLab CI: Fix Ruff CI Job (again)
Commit f16c74a6 fixed that python3 was not installed in the container which executes ruff but commit f3cac0e1 inadvertently reverted that change.
Closes #20338 (closed)
Commit f16c74a6 fixed that python3 was not installed in the container which executes ruff but commit f3cac0e1 inadvertently reverted that change.
Closes #20338 (closed)